Worksheet: Methods of Heat Transfer (conduction ...

1 Worksheet: Methods of heat Transfer (conduction, convection, and radiation). Define conduction: Define convection: Define radiation: Identify the method of heat Transfer that takes place in each illustration. Some illustrations may show more than one form of heat Transfer . 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. In each of the following situations, identify the method of heat Transfer taking place (conduction, convection, radiation). More than one process may be occurring. 1. Hot coffee is stirred with a spoon, the spoon gets hot due to _____.

2 2. A chair is placed several feet from a fire in a fireplace. The fireplace has a glass screen. The side of the chair facing the fireplace gets warm because of_____. 3. A certain type of decorative lamp contains colored liquids. These liquids form globs that break off and rise to the top of the liquid. The globs rise due to _____. 4. Near the ceiling of a room the air is warmer. The warm air rises because of _____. 5. A college student holds the back of his hand near an iron to see if it is hot. heat is transferred to his hand by _____.

3 6. A heater is placed under one corner of a water bed mattress. Warm water moves throughout the mattress because of _____. 7. A certain type of stainless steel cookware has a layer of copper applied to the bottom to help it heat evenly. The copper transfers heat to the pan by _____. 8. In a swimming pool, the water near the surface is slightly warmer. The warm water rises because of _____. 9. One end of a copper rod is placed in a flame of a bunsen burner. Small pieces of wax placed along the rod melt at progressively larger distance from the flame.

4 heat is transferred through the rod by _____. 10. A house burns down. On the house across the street, all of the vinyl siding is twisted and warped by the heat . The heat was transferred across the street by _____. 11. Warm air over the beach rises while cooler dense air from the ocean rushes in due to _____. 12. The metal skewer gets so hot that you drop your marshmallow in the campfire because of _____. 13. A huge rock at the state park gets so hot during the day that you can't sit on it from _____. 14. You lay on that same rock at night so that you can keep warm by _____.

5 15. A fireman feels a door and it is hot from the fire on the other side due to _____. 16. The cause of weather systems on earth is _____. 17. You are in the top bunk of a bunk bed and you want to turn the air conditioner on while your friend on the bottom bunk is fine is caused by _____.